<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8" />
		<meta http-equiv="X-UA-Compatible" content="IE=edge" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
		<title>列表排序</title>
		<script src="../../JS/vue.js"></script>
	</head>
	<body>
		<div id="root">
			<h2>人员列表</h2>
			<button @click="updateMei">更改马冬梅信息</button>
			<ul>
				<li v-for="(p,index) of persons" :key="p.id">
					{{p.name}} - {{p.age}} - {{p.sex}}
				</li>
			</ul>
		</div>
		<script>
			const vm = new Vue({
				el: '#root',
				data: {
					keyWord: '',
					name: '小莫',
					persons: [
						{id: '001', name: '马冬梅', age: 45, sex: '女'},
						{id: '002', name: '周冬雨', age: 35, sex: '女'},
						{id: '003', name: '周杰伦', age: 34, sex: '男'},
						{id: '004', name: '温兆伦', age: 90, sex: '男'}
					]
				},
				methods: {
					updateMei() {
						// this.persons[0].name = '马老师' 奏效
						// this.persons[0].age = 50       奏效
						// this.persons[0].sex = '男'     奏效
						// Vue更新渲染问题
						// this.persons[0] = {id: '001', name: '马老师', age: 70, sex: '男'}  不奏效

						this.persons.splice(0, 1, {
							id: '001',
							name: '马老师',
							age: 70,
							sex: '男'
						})
					}
				}
			})
		</script>
	</body>
</html>
